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51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 15.2.3.7-6-a-283
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description: >
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Object.defineProperties - 'O' is an Arguments object, 'P' is own
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data property of 'O' which is also defined in [[ParameterMap]] of
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'O', test TypeError is thrown when updating the [[Writable]]
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attribute value of 'P' which is defined as non-configurable (10.6
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[[DefineOwnProperty]] step 4)
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includes: [propertyHelper.js]
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---*/
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var arg;
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(function fun(a, b, c) {
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arg = arguments;
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}(0, 1, 2));
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Object.defineProperty(arg, "0", {
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value: 0,
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writable: false,
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enumerable: false,
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configurable: false
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});
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try {
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Object.defineProperties(arg, {
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"0": {
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writable: true
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}
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});
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$ERROR("Expected an exception.");
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} catch (e) {
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verifyEqualTo(arg, "0", 0);
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verifyNotWritable(arg, "0");
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verifyNotEnumerable(arg, "0");
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verifyNotConfigurable(arg, "0");
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if (!(e instanceof TypeError)) {
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$ERROR("Expected TypeError, got " + e);
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}
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}
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